<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>CSS语法基础规范</title>
    <style>
      /* 选择器 {样式} */
      p {
        color: red;
        /* 修改了文字大小为12像素 */
        font-size: 12px;
      }
    </style>
  </head>
  <body>
    <p>有点意思</p>
  </body>
</html>
